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Multiply 15/12 with 9/21

1st number: 1 3/12, 2nd number: 9/21

This multiplication involving fractions can also be rephrased as "What is 15/12 of 9/21?"

15/12 × 9/21 is 15/28.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 15/12 × 9/21 = 15 × 9/12 × 21 = 135/252
  3. After reducing the fraction, the answer is 15/28

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